19 Las formas verbales en inglés: pasado 7. presente perfecto continuoAfirmaciónNegaciónInterrogaciónI have been callingI haven’t been callingHave I been calling?you have been callingyou haven’t been callingHave you been calling?he has been callinghe hasn’t been callingHas he been calling?we have been callingwe haven’t been callingHave we been calling?they have been callingthey haven’t been calling